'Test tube universe' hints at unifying theory

By Roger Highfield, Science Editor
Last Updated: 12:01am GMT 26/12/2007

A "universe in a test tube" that could be used to assess theories of everything has been created by physicists.
Time is running out - literally, say scientists"
Are we missing a dimension of time?
Are dark forces at work in space? The test tube, the size of a little finger, has been cooled to a fraction of a degree above the lowest possible temperature, absolute zero, which is just over 273 degrees below the freezing point of water.